package log;
import java.io.IOException;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

public class Login extends HttpServlet
{
	
	private static final long serialVersionUID = 1L;

	public void doPost(HttpServletRequest request, HttpServletResponse response)
	throws ServletException, IOException 
	{
		this.doGet(request, response);
	}
	
	public void doGet(HttpServletRequest request, HttpServletResponse response)
	throws ServletException, IOException 
	{
		String usuario = String.valueOf(request.getParameter("usuario"));
		String senha = String.valueOf(request.getParameter("password"));
		String tipo = LoginDB.getCheca(usuario, senha);
		
		if(tipo != null)
		{
			request.getSession().setAttribute("loginState", tipo);
			request.getSession().setAttribute("userName", usuario);
			request.getSession().setAttribute("password", senha);
			
			//redirect to successful login page
			String page = String.valueOf(request.getSession().getAttribute("currentPage"));
			if(page == null)
				page = "index.jsp";
			
			//display welcome message
			request.setAttribute("message", "Login com sucesso.");

			
			RequestDispatcher rdIndex = request.getRequestDispatcher(page);
			rdIndex.forward(request, response);
		}
		else
		{
			
			String page = String.valueOf(request.getSession().getAttribute("currentPage"));
			if(page == null)
				page = "index.jsp";
			request.setAttribute("message", "Erro no login.");
			RequestDispatcher rdIndex = request.getRequestDispatcher(page);
			rdIndex.forward(request, response);
		}
		
	}
	
	
}
 